Server administration tips and tricks
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Server administration tips and tricks
- Deleting shell start-up scripts remotely without executing them
- Disowning terminal programs so that they dont exit when terminal is closed
- Stop a program if it takes more than given time to execute
- Prepending timestamps to output lines
- Running GUI programs as root using sudo over SSH connection
- Restricting user from changing password
- Rename an existing user
- Frequent errors from cron for MRTG
- Invalid magic number 0 or unrecognized and unsupported file format error on boot
- CentOS IOMMU related errors on system boot
- Install php 5.6 on CentOS 6.x
- Machine reboot without very good reason
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